2016-12-12 General Committee - Attachments 1, 2, 3 to Item 10 - Oyster Restoration Project

                                                                                                                                                                                          LOCALITY PLAN




                                                                                                         Restoration unit for natural
                                                                                                         recruitment of oyster spat




                                                                                                                                                                                      NOTES

                                                                                                                                                                                     1.    Measurements are in meters.
                                                                                                                                                                                           The general layout of the Restoration Units in
                                                                                                                                                                                     2.    The reef general layout will be placed in a 5m equilateral
                                                                                                                                                                                           the Oyster Reef Restoration Unit will be placed
                                                                                                                                                                                           triangle.
                                                                                                                                                                                           in a 5m equilateral triangle.
                                                                                                                                                                                     3.    Oyster shells are:
                                                                                                                                                                                            - To be whole (not fragments)
                                                                                                                                                                                            - Not to be sourced from within any Fish Habitat Area
                                                                                                                                                                                            - To be boiled for at least 10 minutes in accordance with
                                                                                                                                                                                              biosecurity principles

                                                                                                                                                                                     4.    Unfilled coir bags are:
                                                                                                                                                                                            - to be 0.3m in diameter
                                                                                                                                                                                            - to be 1.3m in length with one end closed during
                                                                                                                                                                                              manufacturing
                                                                                                                                                                                            - to have an apeture of approx. 20mm.
                                                                                                                                                                                            - to be Geofabrics Australia CoirLog or engineer approved
                                                                                                                                                                                              equivalent

                                                                                                                                                                                     5.    Coir bags are to be filled with the oyster shell mix to 1m
                                                                                                                                                                                           length of the bag.
                                                                                                                                                                                             - Remaining 0.3m length of bag to be used to tie end
                                                                                                                                                                                               closed
                                                                                                                                                                                             - Oyster fill is to be well packed using a tube sleeve
                                                                                                                                                                                             - Bag end closed using approx 0.3m of manila rope to form
                                                                                                                                                                                               a single Miller's (bag) knot, followed by a single overhand
                                                                                                                                                                                               knot
                                                                                                                                                                                             - Two coir bags at base of reef unit to be in direct contact
                                                                                                                                                                                               with minimal space betwen

                                                                                                          Nominal LAT                                                                6.    Wooden stakes
                                                                                                                                                                                            - to be 0.6m length hardwood with 25x25mm thickness
                                                                                                                                                                                            - to be suitable for marine environments
                                                                                                                     FLOOD FLOW DIRECTION                                                   - to have 10mm diamter hole drilled approx 30mm from top
                                                                                                                                                                                              of stake

      Oyster Reef Restoration
             OYSTER           Unit - Cross Section
                     REEF - XSECTION                                                                                                                                                 7. Manila rope

                                                                                                                        OysterOYSTER
                                                                                                                              Reef Restoration Unit - Plan
                                                                                                                                     REEF - PLAN                                         - to be 8mm diameter Emmett's Ropes Three-Strand
                                                                                                                                                                                           Hawser Laid Manila or engineer approved equivalent
                                                                                                                                                                                         - length for anchorage to be approx. 2m
                                                                                                                                                                                         - to be tied to wooden stakes such that approx. 1.3m length
                                                                                                                                                                                           of manila rope remains between stakes
                                                                                                                                                                                         - to be attached to wooden stakes by threading rope
                                                                                                                                                                                     LEGENDthrough drill hole, followed by a double stopper knot. The
                                                                                                                                                                                           remaining manila rope end is to be hitched back onto the
                                                                                                                                                                                           wooden stake

                                                                                                                                                                                     8.    Anchorage to be manila rope tied between two hardwood
                                                                                                                                                                                           stakes, see note 6 and 7.
                                                                                                                                                                                             - stake/rope anchors to be placed approx. 0.2m from ends
  Oyster Shell Fill, see note 3.                  Coir Bag, see note 5.                                                                                                                        of reef unit

                                                                                                                                                                                                  toward reef unit. Wooden stakes NOT to be angled away
                                                                                                                                                                                                  from reef units
                                                                                                                                                                                               - manila rope to be pulled tight across coir bags such that
      Crest Bags, see note 8                                                                                                                           1m                                        crest bag is NOT able to roll
                                                                                                                                                                                               - Reefs to be relocated where hard substrate is
                                                              Manila Rope, see note 7.                                                                                                           encountered

                                                                                                                                        Wooden stake / manila rope

Two Base Bags, see note 8                                                                                                                                                                       AHD
                                                                                                                                                                                     VERTICAL DATUM:                       HORIZONTAL DATUM:    MGA
                                                                Wooden Stake, see note 6.                                                                                            REVISION REGISTER




                                                                                                                                                                                       A       07/09/16       amended notes               SK     BC        AJ

                                                                                                                                                                                                                   DESCRIPTION


                                                                                                              0.6m
                                                                                                                                                                                     REV.NO.    DATE                                       BY    ENG.      APP.




                                                     Sandy or Sandy/Muddy                                                                                                                                             International
                                                                                                                                                                                                                      Coastal
                                                                                                                                                                                                                      Management
                                                                                                                                                                                           OFFICE 50 / G Arm, SYC Marina, Main Beach, 4217, QLD, Australia
                                                                                                                                                                                           POST PO Box 306, Main Beach LPO, Main Beach QLD, 4217, Australia
                                                                                                                                                                                           TELEPHONE +61 7 55640564          FAX +61 7 55329147
                                                                                                                                                                                           WEBSITE www.coastalmanagement.com.au
                                                           Maximum angle towards reef unit, see note 8



                                                                                                                        approx. 200mm                                approx. 200mm
                                                                                                                                                                                     PROJECT NAME

                                                                                                                                                                                        NOOSA
                                                                                                                                                                                     NOOSA     RIVER
                                                                                                                                                                                           RIVER     OYSTER
                                                                                                                                                                                                 OYSTER     REEFS
                                                                                                                                                                                                        RESTORATION
                                                                                                                                                                                     DRAWING TITLE

                                                                                                                                                                                                 REEF DETAIL

                                                                                                                         Restoration
                                                                                                                               REEFUnit
                                                                                                                                     UNIT- -Cross
                                                                                                                                             PLAN Section                            DRAWING No.                                                  REVISION:


                       Restoration Unit-- XSECTION
                           REEF UNIT      Cross Section                                                                                                                              DRAWN : SK
                                                                                                                                                                                                2016.0028 - 020
                                                                                                                                                                                                               CHECKED :      BC      APPROVED :
                                                                                                                                                                                                                                                      A
                                                                                                                                                                                                                                                      AJ



                                                                                                                                                                                                                                                   RPEQ 2876

                                                                                                                                                                                     SIZE: A3                  SCALE :                DATE :      20 Oct, 2016